555748125

素因数分解:

$3^1\times 5^4\times {\mathrm{43}}^1\times {\mathrm{61}}^1\times {\mathrm{113}}^1$

素因数の和:240

約数の個数: 80

約数和(自身を含む): 971539008

約数和(自身を除く): 415790883

約数列:

[1, 3, 5, 15, 25, 43, 61, 75, 113, 125, 129, 183, 215, 305, 339, 375, 565, 625, 645, 915, 1075, 1525, 1695, 1875, 2623, 2825, 3225, 4575, 4859, 5375, 6893, 7625, 7869, 8475, 13115, 14125, 14577, 16125, 20679, 22875, 24295, 26875, 34465, 38125, 39345, 42375, 65575, 70625, 72885, 80625, 103395, 114375, 121475, 172325, 196725, 211875, 296399, 327875, 364425, 516975, 607375, 861625, 889197, 983625, 1481995, 1639375, 1822125, 2584875, 3036875, 4308125, 4445985, 4918125, 7409975, 9110625, 12924375, 22229925, 37049875, 111149625, 185249375, 555748125]

約数ペア:

[(1, 555748125), (3, 185249375), (5, 111149625), (15, 37049875), (25, 22229925), (43, 12924375), (61, 9110625), (75, 7409975), (113, 4918125), (125, 4445985), (129, 4308125), (183, 3036875), (215, 2584875), (305, 1822125), (339, 1639375), (375, 1481995), (565, 983625), (625, 889197), (645, 861625), (915, 607375), (1075, 516975), (1525, 364425), (1695, 327875), (1875, 296399), (2623, 211875), (2825, 196725), (3225, 172325), (4575, 121475), (4859, 114375), (5375, 103395), (6893, 80625), (7625, 72885), (7869, 70625), (8475, 65575), (13115, 42375), (14125, 39345), (14577, 38125), (16125, 34465), (20679, 26875), (22875, 24295)]